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gpu: nvgpu: Don't use strlcpy()

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For Linux v6.8, the function strlcpy() has been removed. The function
strscpy() was added in Linux v4.3 and has been preferred over strlcpy().
See upstream Linux commit 30035e45753b ("string: provide strscpy()") for
more details. The Linux checkpatch.pl script warns against using
strlcpy().

The function strscpy() takes the same arguments as strlcpy(), but
returns a type of ssize_t instead of size_t. Update the NVGPU to use
strscpy() instead of strlcpy().

Bug 4448428

Change-Id: I0464b13720de20288a50375b167740ea514ca130
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3059558
(cherry picked from commit 5a12d5469192620e5c5b9e8828c728c148f10425)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/3062999
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2024-01-22 14:51:19 +00:00
committed by mobile promotions
parent 733f13a8bf
commit 6ecfb593db
2 changed files with 13 additions and 32 deletions
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22
drivers/gpu/nvgpu/os/linux/pci_power.c
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@@ -1,18 +1,5 @@
/*
* Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: Copyright (c) 2018-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <linux/delay.h>
#include <linux/list.h>
@@ -74,6 +61,7 @@ int nvgpu_pci_add_pci_power(struct pci_dev *pdev)
{
struct gk20a_platform *platform;
struct nvgpu_pci_power *pp;
ssize_t len;
if (!pdev)
return -EINVAL;
@@ -90,8 +78,10 @@ int nvgpu_pci_add_pci_power(struct pci_dev *pdev)
nvgpu_mutex_init(&pp->mutex);
pp->pci_dev = pdev;
strlcpy(pp->pci_dev_name,
len = strscpy(pp->pci_dev_name,
dev_name(&pdev->dev), PCI_DEV_NAME_MAX);
if (len < 0)
return -ENAMETOOLONG;
platform = pci_get_drvdata(pdev);
pp->can_pci_gc_off = platform->can_pci_gc_off;